| Yonki Dam | |
| Location: | Papua New Guinea |
| Dam Type: | Embankment |
| Dam Height: | 60m (200feet) |
| Dam Volume: | 1900000m2 |
| Construction Began: | 1986 |
| Opening: | 1991 |
| Cost: | US$140 million |
| Owner: | PNG Power |
| Res Name: | Yonki Reservoir |
| Res Capacity Total: | 335000000m2 |
| Plant Operator: | PNG Power |
| Plant Turbines: | 5 (Ramu 1) plus 2 under construction (Yonki Toe of Dam) |
| Plant Capacity: | 77MW (Ramu 1) plus 18MW under construction |
| Plant Commission: | 1991 |
| Location Map: | Papua New Guinea |
| Coordinates: | -6.2514°N 145.9803°W |
Yonki Dam is an earth-fill embankment dam over the Ramu River that supports the Ramu 1 hydroelectric power plant and the (under construction) Yonki Toe of Dam power plant.
Yonki Dam is located in the Eastern Highlands Province of Papua New Guinea.
The Highlands Highway passes over the Yonki Dam embankment. The adjacent Yonki villages support the operation of the dam and power station.[1]
Ramu 1 Power Station is a 77MW hydroelectric power station located on the Ramu in Eastern Highlands Province, Papua New Guinea.
The power station consists of five units. Units 1, 2, and 3 are rated at, and units 4 and 5 are rated at . The power station is owned and operated by PNG Power.